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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Increased expression of chemokines in the skin of chronic proliferative dermatitis mutant mice.

Chemokines direct the migration of leukocytes to sites of inflammation and are potential targets for anti-inflammatory therapy. Chronic proliferative dermatitis (cpdm/cpdm) mutant mice develop a persistent eosinophilic dermatitis associated with increased T(H)2 cytokines in the skin. Expression patterns of chemokines in the skin of cpdm/cpdm mice were evaluated to define the mechanisms driving cutaneous infiltration by leukocytes. RNA isolated from the skin of mutant and littermate control mice revealed a significant increase in Ccl1 (TCA-3), Ccl2 (MCP-1), Ccl11 (eotaxin), Ccl17 (TARC), Cxcl10 (IP-10), and the chemokine receptor Ccr3. The concentration of CCL11 protein was increased two- to threefold in the skin of cpdm/cpdm mice by enzyme-linked immunosorbent assay. In vitro culture of primary dermal fibroblasts from cpdm/cpdm and control mice with tumor necrosis factor, IL-4, and IL-13 stimulation did not reveal differences in their ability to secrete CCL11, suggesting that the increased chemokine expression observed in the skin of cpdm/cpdm mice is most likely caused by the increased T(H)2 cytokines in the dermis of this mouse model. Treatment of cpdm/cpdm mice with CCL11-neutralizing polyclonal antibodies did not affect the number of eosinophils in the skin or the severity of the dermatitis. Neutralizing multiple chemokines or chemokine receptors may be necessary to decrease eosinophil accumulation. The cpdm/cpdm mutant mouse is a potentially useful model to determine the role of various chemokines in eosinophil accumulation in chronic inflammation.[1]


  1. Increased expression of chemokines in the skin of chronic proliferative dermatitis mutant mice. Renninger, M.L., Seymour, R., Lillard, J.W., Sundberg, J.P., HogenEsch, H. Exp. Dermatol. (2005) [Pubmed]
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